Table 5.

Meta-regression of Social Support Source Adjusting for Covariates

Variable	Coef.	SE	95% CI	Z	p	Q(df)
DSM definition of PTSD measure (ref = III)						10.35(2)**
DSM-IV	0.20	0.07	0.07, 0.33	3.09	0.002
DSM-5	0.24	0.09	0.05, 0.42	2.55	0.011
Social support source (ref = non-military) †	0.14	0.05	0.04, 0.24	2.79	0.005

Note: N_effects = 48.

^†For moderators in which different categories were represented within a single study, we used a shifting unit-of-analysis approach (Cooper, 2010).

*p <.05, **p <.01, *** p <.001